| /* |
| * This file is part of MPlayer. |
| * |
| * MPlayer is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * MPlayer is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with MPlayer; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <inttypes.h> |
| |
| #include "config.h" |
| #include "mp_msg.h" |
| |
| #include "img_format.h" |
| #include "mp_image.h" |
| #include "vf.h" |
| |
| |
| static void mirror(unsigned char* dst,unsigned char* src,int dststride,int srcstride,int w,int h,int bpp,unsigned int fmt){ |
| int y; |
| for(y=0;y<h;y++){ |
| int x; |
| switch(bpp){ |
| case 1: |
| for(x=0;x<w;x++) dst[x]=src[w-x-1]; |
| break; |
| case 2: |
| switch(fmt){ |
| case IMGFMT_UYVY: { |
| // packed YUV is tricky. U,V are 32bpp while Y is 16bpp: |
| int w2=w>>1; |
| for(x=0;x<w2;x++){ |
| // TODO: optimize this... |
| dst[x*4+0]=src[0+(w2-x-1)*4]; |
| dst[x*4+1]=src[3+(w2-x-1)*4]; |
| dst[x*4+2]=src[2+(w2-x-1)*4]; |
| dst[x*4+3]=src[1+(w2-x-1)*4]; |
| } |
| break; } |
| case IMGFMT_YUY2: |
| case IMGFMT_YVYU: { |
| // packed YUV is tricky. U,V are 32bpp while Y is 16bpp: |
| int w2=w>>1; |
| for(x=0;x<w2;x++){ |
| // TODO: optimize this... |
| dst[x*4+0]=src[2+(w2-x-1)*4]; |
| dst[x*4+1]=src[1+(w2-x-1)*4]; |
| dst[x*4+2]=src[0+(w2-x-1)*4]; |
| dst[x*4+3]=src[3+(w2-x-1)*4]; |
| } |
| break; } |
| default: |
| for(x=0;x<w;x++) *((short*)(dst+x*2))=*((short*)(src+(w-x-1)*2)); |
| } |
| break; |
| case 3: |
| for(x=0;x<w;x++){ |
| dst[x*3+0]=src[0+(w-x-1)*3]; |
| dst[x*3+1]=src[1+(w-x-1)*3]; |
| dst[x*3+2]=src[2+(w-x-1)*3]; |
| } |
| break; |
| case 4: |
| for(x=0;x<w;x++) *((int*)(dst+x*4))=*((int*)(src+(w-x-1)*4)); |
| } |
| src+=srcstride; |
| dst+=dststride; |
| } |
| } |
| |
| //===========================================================================// |
| |
| static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){ |
| mp_image_t *dmpi; |
| |
| // hope we'll get DR buffer: |
| dmpi=vf_get_image(vf->next,mpi->imgfmt, |
| MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, |
| mpi->w, mpi->h); |
| |
| if(mpi->flags&MP_IMGFLAG_PLANAR){ |
| mirror(dmpi->planes[0],mpi->planes[0], |
| dmpi->stride[0],mpi->stride[0], |
| dmpi->w,dmpi->h,1,mpi->imgfmt); |
| mirror(dmpi->planes[1],mpi->planes[1], |
| dmpi->stride[1],mpi->stride[1], |
| dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1,mpi->imgfmt); |
| mirror(dmpi->planes[2],mpi->planes[2], |
| dmpi->stride[2],mpi->stride[2], |
| dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1,mpi->imgfmt); |
| } else { |
| mirror(dmpi->planes[0],mpi->planes[0], |
| dmpi->stride[0],mpi->stride[0], |
| dmpi->w,dmpi->h,dmpi->bpp>>3,mpi->imgfmt); |
| dmpi->planes[1]=mpi->planes[1]; // passthrough rgb8 palette |
| } |
| |
| return vf_next_put_image(vf,dmpi, pts); |
| } |
| |
| //===========================================================================// |
| |
| static int vf_open(vf_instance_t *vf, char *args){ |
| //vf->config=config; |
| vf->put_image=put_image; |
| return 1; |
| } |
| |
| const vf_info_t vf_info_mirror = { |
| "horizontal mirror", |
| "mirror", |
| "Eyck", |
| "", |
| vf_open, |
| NULL |
| }; |
| |
| //===========================================================================// |